/**
 * Brandstorm Builder Frontend Stylesheet
 *
 * Structurally neutral, host-theme-owned, responsive runtime stylesheet.
 * Exclusively uses inherited typography (`font-family: inherit`) and theme-owned colors.
 * Contains ZERO font declarations, remote requests, or site-specific brand overrides.
 * Every runtime selector is strictly scoped under .brandstorm-builder-document.
 *
 * @package Brandstorm\LayoutCore
 */

/* ═══════════════════════════════════════════════════════════════════════════
   1. DOCUMENT ROOT & SCOPED VARIABLES
   ═══════════════════════════════════════════════════════════════════════════ */

.brandstorm-builder-document {
  --bs-control-bg: #ffffff;
  --bs-control-border: #cbd5e1;
  --bs-control-radius: 6px;
  --bs-error-color: #dc2626;

  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  color: inherit;
}

.brandstorm-builder-document *,
.brandstorm-builder-document *::before,
.brandstorm-builder-document *::after {
  box-sizing: border-box;
}

/* ═══════════════════════════════════════════════════════════════════════════
   2. WIDGET ROOT & ZERO DEFAULT MARGIN GAP
   ═══════════════════════════════════════════════════════════════════════════ */

.brandstorm-builder-document > .bs-widget {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}

.brandstorm-builder-document .bs-widget-html .bs-html-content {
  width: 100%;
  line-height: inherit;
}

/* ═══════════════════════════════════════════════════════════════════════════
   3. INTRINSIC MEDIA & RESPONSIVE PRIMITIVES
   ═══════════════════════════════════════════════════════════════════════════ */

.brandstorm-builder-document img,
.brandstorm-builder-document video {
  max-width: 100%;
  height: auto;
}

.brandstorm-builder-document iframe {
  max-width: 100%;
}

/* ═══════════════════════════════════════════════════════════════════════════
   4. FORM CONTAINER & FIELD GRID (STRUCTURAL & HOST-THEME OWNED)
   ═══════════════════════════════════════════════════════════════════════════ */

.brandstorm-builder-document .bs-form-container {
  position: relative;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  color: inherit;
}

.brandstorm-builder-document .bs-form-container::before,
.brandstorm-builder-document .bs-form-container::after {
  content: none !important;
}

.brandstorm-builder-document .bs-form-title {
  font-family: inherit;
  color: inherit;
  margin: 0 0 1.25rem 0;
}

.brandstorm-builder-document .bs-form-element {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  box-sizing: border-box;
}

.brandstorm-builder-document .bs-form-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  width: 100%;
  box-sizing: border-box;
}

.brandstorm-builder-document .bs-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.brandstorm-builder-document .bs-width-100 {
  width: 100%;
  flex: 0 0 100%;
}

.brandstorm-builder-document .bs-width-50 {
  width: calc(50% - 0.5rem);
  flex: 0 0 calc(50% - 0.5rem);
}

.brandstorm-builder-document .bs-width-33 {
  width: calc(33.333% - 0.67rem);
  flex: 0 0 calc(33.333% - 0.67rem);
}

.brandstorm-builder-document .bs-width-25 {
  width: calc(25% - 0.75rem);
  flex: 0 0 calc(25% - 0.75rem);
}

@media (max-width: 640px) {
  .brandstorm-builder-document .bs-width-50,
  .brandstorm-builder-document .bs-width-33,
  .brandstorm-builder-document .bs-width-25 {
    width: 100%;
    flex: 0 0 100%;
  }
}

.brandstorm-builder-document .bs-field-label {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.brandstorm-builder-document .bs-required-mark {
  color: var(--bs-error-color, #dc2626);
  margin-left: 2px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   5. CONTROLS, FIELDSETS & OPTIONS
   ═══════════════════════════════════════════════════════════════════════════ */

.brandstorm-builder-document .bs-text-input,
.brandstorm-builder-document .bs-textarea-input,
.brandstorm-builder-document .bs-select-input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 14px;
  font-size: inherit;
  font-family: inherit;
  color: inherit;
  background: var(--bs-control-bg, #ffffff);
  border: 1px solid var(--bs-control-border, #cbd5e1);
  border-radius: var(--bs-control-radius, 6px);
  line-height: 1.5;
  transition: border-color 0.15s ease;
}

.brandstorm-builder-document .bs-textarea-input {
  min-height: 110px;
  resize: vertical;
}

.brandstorm-builder-document .bs-text-input:focus,
.brandstorm-builder-document .bs-textarea-input:focus,
.brandstorm-builder-document .bs-select-input:focus {
  outline: 2px solid currentColor;
  outline-offset: 2px;
  box-shadow: none;
}

.brandstorm-builder-document .bs-field-invalid .bs-text-input,
.brandstorm-builder-document .bs-field-invalid .bs-textarea-input,
.brandstorm-builder-document .bs-field-invalid .bs-select-input {
  border-color: var(--bs-error-color, #dc2626);
}

.brandstorm-builder-document .bs-field-error {
  font-size: 12px;
  color: var(--bs-error-color, #dc2626);
  margin-top: 2px;
  display: none;
}

.brandstorm-builder-document .bs-field-invalid .bs-field-error {
  display: block;
}

.brandstorm-builder-document .bs-fieldset {
  border: none;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.brandstorm-builder-document .bs-options-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}

.brandstorm-builder-document .bs-option-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  cursor: pointer;
  user-select: none;
}

.brandstorm-builder-document .bs-option-label input[type="checkbox"],
.brandstorm-builder-document .bs-option-label input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: currentColor;
  cursor: pointer;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   6. SUBMIT BUTTON & SPINNER
   ═══════════════════════════════════════════════════════════════════════════ */

.brandstorm-builder-document .bs-form-submit-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  width: 100%;
  box-sizing: border-box;
}

.brandstorm-builder-document .bs-submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  font-size: inherit;
  font-weight: 600;
  font-family: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: var(--bs-control-radius, 6px);
  cursor: pointer;
  min-width: 140px;
  line-height: 1.5;
  text-decoration: none;
}

.brandstorm-builder-document .bs-submit-button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

@keyframes bsBuilderSpin {
  to {
    transform: rotate(360deg);
  }
}

.brandstorm-builder-document .bs-submit-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: bsBuilderSpin 0.6s linear infinite;
  display: none;
}

.brandstorm-builder-document .bs-is-submitting .bs-submit-spinner {
  display: inline-block;
}

/* ═══════════════════════════════════════════════════════════════════════════
   7. ACCESSIBLE ALERTS & RESPONSES
   ═══════════════════════════════════════════════════════════════════════════ */

.brandstorm-builder-document .bs-ajax-response,
.brandstorm-builder-document .bs-form-response {
  width: 100%;
  font-size: inherit;
  border-radius: var(--bs-control-radius, 6px);
  padding: 12px 16px;
  display: none;
  line-height: 1.5;
  text-align: center;
  box-sizing: border-box;
}

.brandstorm-builder-document .bs-ajax-response.bs-show,
.brandstorm-builder-document .bs-form-response:not(:empty) {
  display: block;
}

.brandstorm-builder-document .bs-response-success {
  border: 1px solid currentColor;
  color: inherit;
}

.brandstorm-builder-document .bs-response-error {
  border: 1px solid var(--bs-error-color, #dc2626);
  color: var(--bs-error-color, #dc2626);
}